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astro-ph.IM2024
Accurate calibration spectra for precision radial velocities -- Iodine absorption referenced by a laser frequency comb
Ansgar Reiners, Michael Debus, Sebastian Schäfer +2
Astronomical spectrographs require frequency calibration through sources like hollow-cathode lamps or absorption-gas cells. Laser frequency combs (LFCs) provide highest accuracy bu…
astro-ph.IM2024★ 2 cited
ANDES, the high resolution spectrograph for the ELT: science goals, project overview and future developments
A. Marconi, M. Abreu, V. Adibekyan +286
The first generation of ELT instruments includes an optical-infrared high-resolution spectrograph, indicated as ELT-HIRES and recently christened ANDES (ArmazoNes high Dispersion E…